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Title: Device useful as a borehole fluid sampler

Patent ·
OSTI ID:1416351

The present invention provides a device comprising: (a) a proximal end of the device comprises an inner first conduit within the lumen of an outer second conduit, (b) a distal end of the device comprises the outer second conduit in fluid communication with a third conduit and a fourth conduit through a Y-shaped, T-shaped or U-shaped junction, (c) the third conduit terminates in a triggering mechanism, and (d) the fourth conduit is in fluid communication through a one-way valve, wherein fluid can only convey in a direction from the fourth conduit towards the second outer conduit, with an aperture.

Research Organization:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC02-05CH11231
Assignee:
The Regents of the University of California (Oakland, CA)
Patent Number(s):
9,863,245
Application Number:
14/253,608
OSTI ID:
1416351
Resource Relation:
Patent File Date: 2014 Apr 15
Country of Publication:
United States
Language:
English

References (7)

Selective earth formation testing through well casing patent January 1983
Soil solution sampler patent July 1991
Apparatus and method for sampling an earth formation through a cased borehole patent December 1997
Clamped receiver array using tubing conveyed packer elements patent March 2001
Systems and methods for installation, design and operation of groundwater monitoring systems in boreholes patent February 2009
Sampling instruments for low-yield wells patent-application November 2002
Tube-In-Tube Device Useful for Subsurface Fluid Sampling and Operating Other Wellbore Devices patent-application August 2013

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